TruBuilt 1 Automotive Valve Spring Compressor Service Tool Kit &ndash; 5 piece valve pusher adapters for small engine vehicles, motorcycles, ATVs and more! SUPERIOR PERFORMANCE: Stop struggling with valve spring removal and save the skin on your knuckles! The T1A Valve Spring Compressor Set is a versatile tool that works to lock securely around valve springs on your small engine car or truck, motorcycles, riding lawnmower, tractor and more! Each kit was made to reliably push down springs without removing cylinder heads, making valve changes easy. A must-have tool for safe compression and removal of valves. HEAVY-DUTY CONSTRUCTION: Dont be fooled by other pro-grade tool sets. Each T1A Valve Spring Compressor Set was engineered to deliver long-lasting performance with high-grade heat treated carbon steel. Unlike other specialty tools, the Valve Spring Compressor Set includes a variety of compressors, each coated in black oxide for a rust-resistant finish that stands up to your toughest jobs - TruBuilt to Last. WHAT YOULL GET: (5) spring compressor adaptors including: 16mm, 19mm, 23mm, 25mm, 30mm, (2) posts (thread length of post 70mm and 90mm). Each collet length: 1 & 3/4". Blow molded case. NOTE: The T1A Compressor also works to install retainers, intake or exhaust valves, retainer clips and worn out valve seals. TESTED & APPROVED: Mechanics know that they need a professional grade tool for removing/installing valve springs. T1A automotive technicians have used the Valve Spring Compressor Set, and the results are in: TESTED and APPROVED for strength, durability, and fit. 100% SATISFACTION GUARANTEE: Every TruBuilt 1 Automotive tool is covered with a 12-month replacement warranty and a 30-day money back guarantee! Not satisfied? Return it for a full refund.